On this edition for Saturday, Nov. 18, nearly 200 countries, not including the U.S., agree to move forward on climate change. Also, the quest to develop a universal and long-lasting flu vaccine, and a report shows that black residents of…

We are now in the warmest period in modern civilization. That’s according to an extensive report -- authored by 13 federal agencies, experts and scientists -- that directly contradicts the Trump administration’s position on climate change. Hari Sreenivasan speaks with…